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treisio

to oppress

"treisio" means "to oppress" in Welsh. Full conjugation table with present, imperfect, preterite, future, conditional, and imperative tenses.

Present

Presennol

PersonForm
I (fi)treisiaf
You sg. (ti)treisi
He/She (fe/hi)treisio
We (ni)treisiwn
You pl. (chi)treisiwch
They (nhw)treisiant
Impersonaltreisir

Imperfect

Amherffaith

PersonForm
I (fi)treisiwn
You sg. (ti)treisit
He/She (fe/hi)treisiai
We (ni)treisiem
You pl. (chi)treisiech
They (nhw)treisient
Impersonaltreisid

Preterite

Gorffennol

PersonForm
I (fi)treisiais
You sg. (ti)treisiaist
He/She (fe/hi)hi
We (ni)treisiasom
You pl. (chi)treisiasoch
They (nhw)treisiasant
Impersonaltreisiwyd

Pluperfect

Gorberffaith

PersonForm
I (fi)treisiaswn
You sg. (ti)treisiasit
He/She (fe/hi)treisiasai
We (ni)treisiasem
You pl. (chi)treisiasech
They (nhw)treisiasent
Impersonaltreisiasid

Future

Dyfodol

PersonForm
I (fi)treisia i
You sg. (ti)treisi di
He/She (fe/hi)hi o
We (ni)treisiwn ni
You pl. (chi)treisiwch chi
They (nhw)treisian nhw

Conditional

Amodol

PersonForm
I (fi)treisiwn
You sg. (ti)treisit
He/She (fe/hi)hi
We (ni)treisiem
You pl. (chi)treisiech
They (nhw)treisient
Impersonaltreisid

Imperative

Gorchmynnol

PersonForm
I (fi)-
You sg. (ti)treisia
He/She (fe/hi)treisied
We (ni)treisiwn
You pl. (chi)treisiwch
They (nhw)treisient
Impersonaltreisier

Further reading

Welsh Verb Conjugation — All Tenses, Full Tables, Clear Patterns →The Welsh Verb Bod (To Be) — Every Form, Every Tense →Welsh Pronunciation — It's Actually Easier Than English →Best Apps to Learn Welsh (2026) →Browse all Welsh verb conjugations →

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